99201023 has 4 divisors (see below), whose sum is σ = 102401088. Its totient is φ = 96000960.

The previous prime is 99200999. The next prime is 99201041. The reversal of 99201023 is 32010299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99201023 - 2²⁴ = 82423807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99200983 and 99201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99201073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599986 + ... + 1600047.

It is an arithmetic number, because the mean of its divisors is an integer number (25600272).

Almost surely, 2^99201023 is an apocalyptic number.

99201023 is a deficient number, since it is larger than the sum of its proper divisors (3200065).

99201023 is a wasteful number, since it uses less digits than its factorization.

99201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200064.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 99201023 is about 9959.9710340944. The cubic root of 99201023 is about 462.9194021797.

The spelling of 99201023 in words is "ninety-nine million, two hundred one thousand, twenty-three".